Home / 2,447.34-3,377.80-1,650.67

Finding the Fourth Proportional to 2,447.34, 3,377.80 and 1,650.67

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Solution

The fourth proportional to 2,447.34, 3,377.80 and 1,650.67 is: 2,278.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447.34 : 3,377.80 = 1,650.67 : x
  2. Step 2: Convert to fraction form
    2,447.34/3,377.80 = 1,650.67/x
  3. Step 3: Cross multiply
    2,447.34x = 3,377.80 × 1,650.67
  4. Step 4: Simplify right side
    2,447.34x = 5,575,633.13
  5. Step 5: Solve for x
    x = 5,575,633.13/2,447.34
  6. Step 6: Final answer
    x = 2,278.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.